B1GraduationData

• Graduation ceremony runtime data. Triggered on growth detection, held the following Sunday
  * at 18:00, and reset once the event ends.

Property	Type	Description	Metadata
SiteEventId	FB1SiteEventId	The reserved graduation SiteEvent; Invalid when no ceremony is scheduled.
PendingGraduateIds	TArray	The entity IDs of students pending graduation at this ceremony.
ValedictorianId	FB1EntityId	The entity ID of the valedictorian (top graduate); Invalid if none.